Certain antacids are composed of calcium carbonate, CaCO3. How many grams of calcium are present in a 400 g bottle of CaCO3 ? 235 g 160 g 0.160 g 9.99 g

Q: 2. A compound has the following chemical formula; CuAl6(PO4)4(OH)8 4 H₂O. Calculate the mass…

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Q: If 6.750 grams of lithium carbonate was used in the reaction, how many grams of carbon dioxide would…

A: The equation for the decomposition of lithium carbonate is as follows. Li2CO3 → Li2O + CO2 This is a…

Q: What is the mass, in grams, of 8.55x1021 iron atoms? O 11.9g O 0.793 g O 1.26g 55.7g

A: Given: Number of iron atoms = 8.55 × 1021 atoms.

Q: How many molecules of glucose (C6H12O6) are present in 1.52 grams of glucose (C6H12O6)? The…

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Q: How many grams of rhenium are in a 88.24-gram sample of ReCl 3? The molar mass of ReCl 3 is 292.57…

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Q: Based on the law of conservation of mass, how many grams of hydrogen gas, x, are formed by the…

A: Given, 66.0 g zinc + 72.9 g hydrochloric acid produces 136.3 g zinc chloride+ x g hydrogen gas. We…

Q: 4.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Given that, 4.0 g of a compound X is made of carbon, hydrogen and perhaps oxygen. The molecular…

Q: What is the molar mass of MgSO4 ● 7 H2O ? H=1.01 O = 16.00 Mg = 24.31 S=32.07

A: Given, molar mass of MgSO4 ● 7 H2O  = ? Note: The molar mass of different atoms are, H = 1.01 g/mol…

Q: A molecular compound is found to consist of 26.0% nitrogen and 74.0% oxygen. If the molecule…

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Q: What is the mass in grams of 1.59 moles of aluminum oxide Al,O ? O 102 g O 162 g 64.1 g

A: Consider the given information is as follows; Moles of Al2O3 = 1.59 mol       Mass of Al2O3 = ?

Q: NaI (aq) + Cl2 (g) → I2 (s) + NaCl (aq) Given this equation calculate how much NaI is required to…

A: Consider the given information is as follows; Mass of I2 produced = 3.44 kg = 3440 g Mass of NaI…

Q: What is the molar mass of phosphorus pentachloride (PC15)? O 190.30 g/mol O 208.22 g/mol O 172.75…

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Q: How many grams of carbon dioxide contain 3.79 × 10 23 molecules carbon dioxide?

A: USING THE MOLE CONCEPT. Molar mass of co is 28g

Q: How many grams of tin are in 10.44 grams of an (oh)2 .the molar mass of an (oh)2 is 152.63g/mol

A: Answer:mass of Sn(OH)2 = 10.44 gmass of tin (Sn) = ?Note: Molar mass of Sn(OH)2 = 152.73 g/molMolar…

Q: One dose of an antacid contains 860. mg each of Mg(OH)2 and Al(OH)3. How many moles of each…

A: Given:- One dose of an antacid contains 860. mg each of Mg(OH)2 and.     Al(OH)3. To find:- How many…

Q: Calculate the number of oxygen atoms in 25.1 g of nitric acid. O 4.80 x 1023 oxygen atoms O 7.19 x…

A: The number of moles of a substance is the mass of the substance upon its molar mass.

Q: 6. Calculate the mass of 4.50 moles of CazPO4 . O 968 g O 215 g O 0.0209 g O 87.1 g 7. The molecular…

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Q: Consider a sample of calcium carbonate, CaCO3 (100.09 g/mol), in the form of a cube measuring 2.88.…

A: The length of the cube of calcium carbonate, CaCO3 =2.88 cm The density of the calcium carbonate,…

Q: How many grams of water (18.02 g/mol) would contain 6.54 x 1024 hydrogen atoms

A: Avogadro number = 6.022 x 1023.

Q: What is the molecular weight of Mg (PO4)2

A: Molecular weight determination:By adding the mass number of each atoms present in the given formula…

Q: After a 664 g iron bar stands in moist air for a month, exactly one–eighth of the iron turns to rust…

A: Initial mass of iron bar = 664 g One-eighth of iron turns into rust . It is given that one-eighth of…

Q: Fill in the name and empirical formula of each ionic compound that could be formed from the ions in…

A: Answer:-This question is answered by using the simple concept of writing the chemical formula and…

Q: What is the molar mass of CH3OH?

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Q: Lithium carbonate, Li2CO3, contains 18.8 % lithium and is used in the treatment of mental illnesses…

A: The percent mass composition is also known as the mass percent is the mass of solute present in…

Q: Acid Base c) Zn(NO3)2

A: Acid and base reacts to gives salt and water and this type of reaction is termed as neutralization…

Q: O 4.29 x 10 10 g What is the mass of 4.63 x 1012 atoms of Fe? O 1.08 x 10 10g O 9.76 x 10 10 4.29 x…

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Q: How many grams of iron are needed to combine with 26.3 g of O to make Fe2O3?

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Q: Consider the following table: Substance Density (g/mL) Gold (s) 19.32 Silver (s) 10.49 Lead (s)…

A: Density can be defined as mass divided by volume which is represented as; Density=MassVolume…

Q: What is the mass of 0.5 mole of nitrogen gas? O 1.20 x 1023 O 28.0 g O 14.0 g O 6.02 x 1023 3.01 x…

A: The mass of one mole of the substance is called molar mass. Therefore, the mass of any substance is…

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A: Step - 1Formula for the compound = XBr3Means in 1 mol of compound 3 mol of Bromine are…

Q: Calculate the number of moles in 0.48 g of copper. O 0.033 mol O 1.3 × 102 mol O 7.6 x 10-3 mol O…

A: The objective of the question is to calculate the moles of copper.

Q: What is the mass of 4.63 x 1012 atoms of Fe? 9.76 x 10-10 g O 1.62 x 10 10g O 1.08 x 10-10 g O 2.73…

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Q: What is the average mass, in grams, of one atom of iron? O 1.66 x 10-24 g O 6.02 x 1023 g 9.28 x…

A: Given  Element  = Iron  ( Fe )  Mass of one atom = ?

Q: How many silicon atoms (Si) are contained in a 12.5 g sample of silicon? Molar Mass of Si = 28…

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Q: Morphine sulfate used for severe pain relief is an opiate alkaloid isolated from the plant Papaver…

A: While writing the chemical formula, the number that represents the number of atoms is written as…